pregnant?

hello,, my name is nicole. i just wanted to now what you all think. i have been bleeding regular red blood for the past two months, problem is it’s extra light and sparratic. and then i noticed that my breasts were "fuller"looking and they got red spots around the time that the bleeding began, and the only other sign i have a question about is that right after i bled for about 1 1/2 days it went away and i got really bad heartbburn?what do you think? am i pregnant, p.s.-taking a test this week, plz let me know your thoughts.